Life Span
Perennial
Perennial
Type
Shrub
Flowering Plants
Origin
China, Japan
North-Central United States, Central United States, Western United States, Texas
Types
-
Blue Toadflax, Old-Field Toadflax
Number of Varieties
3030
0
40000
👆🏻
Habitat
Well Drained
Cultivated Beds
USDA Hardiness Zone
6-93-9
0
99
👆🏻
AHS Heat Zone
9-1
9-1
Sunset Zone
4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
1a, 1b, 2a, 2b, 3a, 3b, 10
Habit
Oval or Rounded
Upright/Erect
Plant Size
Minimum Height
90.00 cm61.00 cm
0
3900
👆🏻
Minimum Width
60.00 cm25.40 cm
0
6350
👆🏻
Plant Color
Flower Color
Blue Violet
Pink, Light Blue, Lavender
Flower Color Modifier
-
Bicolor
Fruit Color
-
-
Leaf Color in Spring
Gray Green
Light Green, Blue Green, Gray Green
Leaf Color in Summer
Gray Green
Blue Green, Gray Green
Leaf Color in Fall
Gray Green
Blue Green, Gray Green
Leaf Color in Winter
-
-
Shape
Leaf Shape
Rhomboid
Oval to egg shaped
Thorns
✔
✘
✔
✘
Plant Season
Summer, Fall
Spring, Summer
Growing Conditions
Sunlight
Full Sun
Full Sun, Partial Sun
Growth Rate
Medium
Fast
Type of Soil
Loam, Sand
Clay, Loam
The pH of Soil
Acidic, Neutral
Neutral, Alkaline
Soil Drainage
Well drained
Well drained
Bloom Time
Late Summer, Early Fall
Late Spring, Early Summer, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought
Where to Plant?
Ground, Pot
Ground
How to Plant?
Cuttings, Rooted stem cutting
Cuttings, Divison, Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Needs less watering, Water Deeply
Average Water Needs, Do Not over Water
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic, Neutral
Neutral, Alkaline
Soil Type
Loam, Sand
Clay, Loam
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun
Full Sun, Partial Sun
Pruning
Remove damaged leaves, Remove dead branches, Remove dead flowers, Remove dead leaves, Remove dead or diseased plant parts, Remove deadheads
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer, Apply N-P-K
use all-purpose fertilizers
Pests and Diseases
bees, Red blotch, Whiteflies
Foliar disease, Root rot, Spider mites
Plant Tolerance
Drought, Drought and Wet Site, Variety of soil types
Drought
Flowers
Showy
Showy
Flower Petal Number
Single
Single
Fruits
Showy Fruit
✔
✘
✔
✘
Edible Fruit
✔
✘
✔
✘
Fragrance
Fragrant Flower
✔
✘
✔
✘
Fragrant Fruit
✔
✘
✔
✘
Fragrant Leaf
✔
✘
✔
✘
Fragrant Bark/Stem
✔
✘
✔
✘
Showy Foliage
✔
✘
✔
✘
Showy Bark
✔
✘
✔
✘
Foliage Texture
Medium
Medium
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Butterflies
Bumblebees
Allergy
-
Depression, High blood cholestrol, Pain
Uses
Aesthetic Uses
Beautification, Ornamental use, Showy Purposes
Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
-
Analgesic, Febrifuge, Stomachic
Part of Plant Used
-
Leaves, Root
Other Uses
Used as Ornamental plant
-
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Foundation, Mixed Border
Rock Garden / Wall, Wildflower
Botanical Name
CARYOPTERIS incana
PENSTEMON grandiflorus
Common Name
bluebeard
you shu
Large Beardtongue, Shell-leaf Penstemon, Wild Snapdragon
In Hindi
Bluebeard
Wild Snapdragon
In German
Blaubart
Wilde Snapdragon
In French
Bluebeard
Snapdragon sauvage
In Spanish
Barba Azul
Salvaje Snapdragon
In Greek
Κυανοπώγωνα
άγρια Snapdragon
In Portuguese
Barba Azul
Selvagem Snapdragon
In Polish
Sinobrody
Dziki Snapdragon
In Latin
Bluebeard
Phlox Ferae
Kingdom
Plantae
Plantae
Phylum
Streptophyta
Magnoliophyta
Class
-
Magnoliopsida
Order
Lamiales
Scrophulariales
Family
Verbenaceae
Scrophulariaceae
Genus
Caryopteris
Penstemon
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Asterids, Eudicots
Tribe
-
-
Subfamily
-
Scrophularioideae
Number of Species
740
1
27800
👆🏻